Pass Codesys recipes between two controllers that are not on the same network

CODESYS
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1

Codesys 3.5.21.3 using WebVisu on a CC-100.

I have a client that is hoping that he can download a recipe from my recipe manager in one PLC and upload it to another. The two PLCs are not on the same network. My research is pointing me to using a button in WebVisu with a file transfer command. But I’m not having any luck with this working. Here is a screenshot to further clarify what I have setup:

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When running the command, I get an error code of 7.

I was pointed to something that says that the Linux running on the CC-100 requires a line or two added to the CODESYSControl.cfg file in order to change some security settings for file transfers. Here are the lines I added to no avail (every change I’ve made still results in error code 7):

CmpWebServerHandlerV3

AllowFileTransferServices=1

CallVisuServiceDirectly=0

CmpWSServer

AllowFileTransferServices=1

This might be completely the wrong approach and there might be a better/easier way. I don’t love having to edit the .cfg file for every PLC I program but if that’s the only way, so be it. I know that it’s possible to maybe do this using FTP but my clients need something much simpler and intuitive. FTP would be way above the common users’ abilities.

2

Hello,
Depending on the FW number the place have changed.
First, Look in those files:

/etc/codesys3.d/CmpWSServer.cfg

/etc/codesys3.d/CODESYSControl.cfg

/etc/codesys3.d/RtsCore.cfg

if you have the line:

AllowFileTransferServices=0

Next if you found the line, change the 0 to 1, save it and reboot the PLC.
If you don’t have the line search for the header:

[CmpWebServerHandlerV3]

If you find the header, add

AllowFileTransferServices=1

after the header,
If you don’t have the header, in the file

/etc/codesys3.d/CODESYSControl.cfg

add

[CmpWebServerHandlerV3]
AllowFileTransferServices=1

And restart the PLC.

After you have done this you will need the right function blocks in the project.
Here is the official sample program from codesys:

3

This worked great. This is essentially what I was doing but apparently there is a /etc/codesys3.d/CODESYSControl_User.cfg file and that is where it needed the line added. I had found a CODESYSControl.cfg in a home directory and made the change but I’m guess that the CODESYSControl_User.cfg file in the etc directory overrides whatever is in the other file. Thanks for the help! It got me to where I needed to be.